code: def package_loader():
      """returns PackageLoader initialized from templates"""
      return loaders.PackageLoader("res", "templates")
  
file_path: catboost/contrib/python/Jinja2/py3/tests/conftest.py
imports: from pathlib import Path
  import pytest
  from jinja2 import loaders
  from jinja2.environment import Environment
label_desc: Use image node_id 3 for calling a global function with example usage: package_loader() and returns: loaders